Two-storey extensions in Banbridge
Everything for a two-storey extension in Banbridge, in one place: types, guide prices for Northern Ireland, the approval rules in Northern Ireland and how to get started.
Banbridge at a glance
- Postcode districts
- BT32
- Area
- County Down, Northern Ireland
- Price region
- Northern Ireland
- Nearest towns
- Donaghcloney (4.8 miles), Tandragee (5.3 miles), Waringstown (5.9 miles), Dromore (County Down) (7 miles)
- Distance to Bangor (County Down)
- about 32.7 miles
- Approvals
- Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Most others need planning permission.
We cover Banbridge (BT32) and the places around it, including Donaghcloney (4.8 miles), Tandragee (5.3 miles) and Waringstown.
Extensions available in Banbridge

Two-storey rear extensions
Design, approvals and build for Banbridge homes. Guide from £49,500.
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Two-storey side extensions
From £76,000 in Banbridge. Free visit to firm it up.
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Two-storey wraparound extensions
Design, approvals and build for Banbridge homes. Guide from £106,000.
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Part single, part two-storey extensions
Banbridge guide price from £63,500, Standard spec.
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Extensions over a garage
From £27,500 in Banbridge. Free visit to firm it up.
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First-floor extensions
Design, approvals and build for Banbridge homes. Guide from £22,000.
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Two-storey extensions for semi-detached houses
Banbridge guide price from £49,500, Standard spec.
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Two-storey extensions for detached houses
From £76,000 in Banbridge. Free visit to firm it up.
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Kitchen extensions with bedrooms above
From £49,500 (before kitchen units) in Banbridge. Free visit to firm it up.
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Extra bedroom and en-suite extensions
For homes in Banbridge: typical guide from £49,500 (plus en-suite).
Learn moreWhich type suits your house?
The boundaries usually decide it. Two-storey work close to a neighbour needs careful design for light and privacy, so at the visit in Banbridge we measure distances to every boundary before suggesting a type.
Also available in County Down
- Two-storey front extensions
- Two-storey extensions for end-of-terrace houses
- Two-storey annexe extensions
- Garage conversions with a room above
- Two-storey extension plans and drawings
- Planning permission for two-storey extensions
- Structural engineering for two-storey extensions
- Building regulations for two-storey extensions
- Design and build two-storey extensions
Rules for Banbridge
Banbridge is in Northern Ireland. Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Most others need planning permission. Planning application for works to a house: £347. Councils aim to decide local applications within an average of 15 weeks; many take longer.
The full Northern Ireland rules explained
Questions about extensions in Banbridge
Do you cover Banbridge?
Yes. We cover Banbridge (BT32) and the surrounding area, including Donaghcloney and Tandragee. The first site visit is free.
What does a two-storey extension cost in Banbridge?
Using our Northern Ireland guide, a two-storey rear extension with a 4 m × 3.5 m footprint on two floors (28 m² of new floor space) is about £49,500–£66,500 including VAT. An extension over a garage is about £27,500–£40,500.
Which other places near Banbridge do you cover?
Everywhere around it, including Donaghcloney (4.8 miles), Tandragee (5.3 miles) and Waringstown (5.9 miles), and the rest of County Down.